In the center of the plot will be Jack Russell Terrier Max, faced with major changes in his life after his mistress Katie married and had a child. During a family trip to the village, Max meets a Welsh shepherd on the farm, which helps him cope with the stress caused by custody of an overly active baby. Meanwhile, the energetic white rabbit Snowball, who imagines himself a superhero, draws his friends into a dangerous Scam related to the rescue of a tiger cub from a traveling circus...